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This queue is for tickets about the FrameMaker-MifTree CPAN distribution.

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Id: 27419
Status: new
Priority: 0/
Queue: FrameMaker-MifTree

Owner: Nobody in particular
Requestors: algreen [...]

Bug Information
Severity: (no value)
Broken in: (no value)
Fixed in: (no value)

Subject: Memory issues when processing large MIF files
Date: Mon, 4 Jun 2007 12:50:19 -0400
To: <bug-FrameMaker-MifTree [...]>
From: "Amy Louise Green" <algreen [...]>
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Basic problem: The larger the MIF file, the more time it seems to take (quasi-exponentially) to parse the file. For really big files (~24MB) I eventually get a Windows Application error on perl.exe saying the memory cannot be written to at that address, etc. For example, it takes ~15 seconds to parse a 0.5 MB file, ~4 minutes for 6.7 MB file, ~39 minutes for 15 MB file, and a whopping 4.25 hours to parse a 20 MB file. That last one only worked after I opened it and stripped out all hidden conditional text because the original version (23.8MB) was the one that killed perl.exe with the memory error. I also tried splitting into 2 pieces and running them individually, and the two halves were 10.2MB and 11MB, taking between 1.25 and 1.5 hours each to parse. FWIW, the largest file I was able to process without getting the Windows Application error was 21.9MB. Environment details: * Distribution name and version: FrameMaker-MifTree-0.075 * Perl version: v5.8.0 built for MSWin32-x86-multi-thread, ActivePerl Build 805 * Operating System vendor and version: Windows XP Professional SP2 * Operating environment: AMD Athlon, 1.10 GHz, 1 GB RAM

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